251018734

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 401599296

約数和(自身を除く): 150580562

約数列:

[1, 2, 23, 46, 97, 101, 194, 202, 557, 1114, 2231, 2323, 4462, 4646, 9797, 12811, 19594, 25622, 54029, 56257, 108058, 112514, 225331, 450662, 1242667, 1293911, 2485334, 2587822, 5456929, 10913858, 125509367, 251018734]

約数ペア:

[(1, 251018734), (2, 125509367), (23, 10913858), (46, 5456929), (97, 2587822), (101, 2485334), (194, 1293911), (202, 1242667), (557, 450662), (1114, 225331), (2231, 112514), (2323, 108058), (4462, 56257), (4646, 54029), (9797, 25622), (12811, 19594)]